30040162186 has 8 divisors (see below), whose sum is σ = 45112824900. Its totient is φ = 15002553888.

The previous prime is 30040162177. The next prime is 30040162199. The reversal of 30040162186 is 68126104003.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27612136561 + 2428025625 = 166169^2 + 49275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×30040162186² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8761461 + ... + 8764888.

Almost surely, 2^30040162186 is an apocalyptic number.

30040162186 is a deficient number, since it is larger than the sum of its proper divisors (15072662714).

30040162186 is a wasteful number, since it uses less digits than its factorization.

30040162186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17527208.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 30040162186 its reverse (68126104003), we get a palindrome (98166266189).

The spelling of 30040162186 in words is "thirty billion, forty million, one hundred sixty-two thousand, one hundred eighty-six".